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10142928 = 243353443
BaseRepresentation
bin100110101100…
…010011010000
3201002022111000
4212230103100
510044033203
61001222000
7152133135
oct46542320
921068430
1010142928
1157a8594
123491900
132141943
1414c058c
15d554a3
hex9ac4d0

10142928 has 80 divisors (see below), whose sum is σ = 29730240. Its totient is φ = 3309696.

The previous prime is 10142927. The next prime is 10142947. The reversal of 10142928 is 82924101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22675 + ... + 23117.

It is an arithmetic number, because the mean of its divisors is an integer number (371628).

Almost surely, 210142928 is an apocalyptic number.

10142928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10142928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14865120).

10142928 is an abundant number, since it is smaller than the sum of its proper divisors (19587312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10142928 is a wasteful number, since it uses less digits than its factorization.

10142928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 10142928 is about 3184.7963828163. The cubic root of 10142928 is about 216.4650474183.

The spelling of 10142928 in words is "ten million, one hundred forty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 53 54 72 106 108 144 159 212 216 318 424 432 443 477 636 848 886 954 1272 1329 1431 1772 1908 2544 2658 2862 3544 3816 3987 5316 5724 7088 7632 7974 10632 11448 11961 15948 21264 22896 23479 23922 31896 46958 47844 63792 70437 93916 95688 140874 187832 191376 211311 281748 375664 422622 563496 633933 845244 1126992 1267866 1690488 2535732 3380976 5071464 10142928